package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetMealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/*
 * @Author zhangdan
 * @Description //TODO 图形报表操作
 * @Date 17:53 2020/4/26
 * @Param
 * @return
 **/

@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetMealService setMealService;

    @Reference
    private ReportService reportService;

    //会员数量折线图数据
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){
        //使用模拟数据测试对象格式是否能够转移echarts所需的对象格式
        /*Map<String,Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();
        months.add("2018.05");
        months.add("2018.06");
        months.add("2018.07");
        months.add("2018.08");
        months.add("2018.09");
        map.put("months",months);
        List<Integer> memberCount = new ArrayList<>();
        memberCount.add(100);
        memberCount.add(150);
        memberCount.add(180);
        memberCount.add(200);
        memberCount.add(10);
        map.put("memberCount",memberCount);*/

        Map<String,Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();

        Calendar calendar = Calendar.getInstance();//获取日历对象,模拟时间就是当前时间
        //计算过去过去一年的12个月
        calendar.add(Calendar.MONTH,-12);//获得当前时间往前推12个月的时间
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH,1);//获得当前时间往后推一个月日期
            Date date = calendar.getTime();
            months.add(new SimpleDateFormat("yyyy.MM").format(date));
        }
        map.put("months",months);
        List<Integer> memberCount = memberService.findMemberCountByMonths(months);
        map.put("memberCount",memberCount);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
    }

    //套餐预约占比饼形图
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){
        //使用模拟数据测试使用什么格式的java对象转为饼形图所需的json数据格式
        /*Map<String,Object> data = new HashMap<>();
        List<String> setmealNames = new ArrayList<>();
        setmealNames.add("体检套餐");
        setmealNames.add("孕前套餐");
        setmealNames.add("入职套餐");
        data.put("setmealNames",setmealNames);

        List<Map<String,Object>> setmealCount = new ArrayList<>();
        Map map1 = new HashMap();
        map1.put("name","体检套餐");
        map1.put("value",200);

        Map map2 = new HashMap();
        map2.put("name","孕前套餐");
        map2.put("value",300);

        Map map3 = new HashMap();
        map3.put("name","入职套餐");
        map3.put("value",400);

        setmealCount.add(map1);
        setmealCount.add(map2);
        setmealCount.add(map3);
        data.put("setmealCount",setmealCount);*/

        Map<String,Object> data = new HashMap<>();

        try {
            List<Map<String,Object>> setmealCount = setMealService.findSetmealCount();
            data.put("setmealCount",setmealCount);

            List<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name");//套餐名称
                setmealNames.add(name);
            }
            data.put("setmealNames",setmealNames);

            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }

    }

    //运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        /*
        "todayVisitsNumber":0,
        "reportDate":"2019-04-25",
        "todayNewMember":0,
        "thisWeekVisitsNumber":0,
        "thisMonthNewMember":2,
        "thisWeekNewMember":0,
        "totalMember":10,
        "thisMonthOrderNumber":2,
        "thisMonthVisitsNumber":0,
        "todayOrderNumber":0,
        "thisWeekOrderNumber":0,
        "hotSetmeal":[
            {
                "proportion":0.4545,
                "name":"粉红珍爱(女)升级TM12项筛查体检套 餐",
                "setmeal_count":5
            },
            {
                "proportion":0.1818,
                "name":"阳光爸妈升级肿瘤12项筛查体检套 餐",
                "setmeal_count":2
            }
        ]
         */

        /*Map<String,Object> data = new HashMap<>();

        data.put("reportDate","2019-04-25");
        data.put("todayNewMember",100);
        data.put("totalMember",2000);
        data.put("thisWeekNewMember",300);
        data.put("thisMonthNewMember",500);

        data.put("todayOrderNumber",150);
        data.put("todayVisitsNumber",100);
        data.put("thisWeekOrderNumber",300);
        data.put("thisWeekVisitsNumber",300);
        data.put("thisMonthOrderNumber",500);
        data.put("thisMonthVisitsNumber",400);

        List<Map<String,Object>> hotSetmeal= new ArrayList<>();
        Map<String,Object> map1 = new HashMap<>();
        map1.put("name","粉红珍爱(女)升级TM12项筛查体检套 餐");
        map1.put("setmeal_count",300);
        map1.put("proportion",0.5);

        Map<String,Object> map2 = new HashMap<>();
        map2.put("name","阳光爸妈升级肿瘤12项筛查体检套 餐");
        map2.put("setmeal_count",100);
        map2.put("proportion",0.2);

        hotSetmeal.add(map1);
        hotSetmeal.add(map2);

        data.put("hotSetmeal",hotSetmeal);*/


        try {
            Map<String,Object> data = reportService.getBusinessReportData();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //导出运营数据
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){

        try {
            Map<String,Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");

            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获取模板文件的真实路径
            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";

            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //获取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            //获取第三行
            XSSFRow row = sheet.getRow(2);
            //获取第六个单元格
            XSSFCell cell = row.getCell(5);
            cell.setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载

            excel.write(out);

            out.flush();
            out.close();
            excel.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //导出运营数据到PDF文件并提供客户端下载
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = reportService.getBusinessReportData();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取pdf模板文件绝对磁盘路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";

            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);

            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath,result,
                            new JRBeanCollectionDataSource(hotSetmeal));

            //创建输出流，用于从服务器写数据到客户端浏览器
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);

            out.flush();
            out.close();

            return null;
        }catch (Exception e){
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

}
